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authorTakashi Iwai <tiwai@suse.de>2021-03-08 17:07:26 +0100
committerTakashi Iwai <tiwai@suse.de>2021-03-08 17:09:25 +0100
commit28e96c1693ec1cdc963807611f8b5ad400431e82 (patch)
tree7a33f6f5ab211a16a7a2170918b24fb095114ce9 /sound
parenta38fd8748464831584a19438cbb3082b5a2dab15 (diff)
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ALSA: hda: Drop the BATCH workaround for AMD controllers
The commit c02f77d32d2c ("ALSA: hda - Workaround for crackled sound on AMD controller (1022:1457)") introduced a few workarounds for the recent AMD HD-audio controller, and one of them is the forced BATCH PCM mode so that PulseAudio avoids the timer-based scheduling. This was thought to cover for some badly working applications, but this actually worsens for more others. In total, this wasn't a good idea to enforce it. This is a partial revert of the commit above for dropping the PCM BATCH enforcement part to recover from the regression again. Fixes: c02f77d32d2c ("ALSA: hda - Workaround for crackled sound on AMD controller (1022:1457)") BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=195303 Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210308160726.22930-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_controller.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 9087981cd1f7..ca2f2ecd1488 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -609,13 +609,6 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
20,
178000000);
- /* by some reason, the playback stream stalls on PulseAudio with
- * tsched=1 when a capture stream triggers. Until we figure out the
- * real cause, disable tsched mode by telling the PCM info flag.
- */
- if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND)
- runtime->hw.info |= SNDRV_PCM_INFO_BATCH;
-
if (chip->align_buffer_size)
/* constrain buffer sizes to be multiple of 128
bytes. This is more efficient in terms of memory